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Open source projects and samples from Microsoft
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Open Source at Microsoft

Get Involved

Right now, open communities are building amazing software together, and there are excellent "good first issue" opportunities, if you're looking to get involved.

Visit opensource.microsoft.com to learn more!

Microsoft projects adopt the Microsoft Open Source Code of Conduct. For more information see the Code of Conduct FAQ.

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  1. vscode vscode Public

    Visual Studio Code

    TypeScript 175k 34.2k

  2. TypeScript TypeScript Public

    TypeScript is a superset of JavaScript that compiles to clean JavaScript output.

    TypeScript 106k 13k

  3. PowerToys PowerToys Public

    Windows system utilities to maximize productivity

    C# 122k 7.3k

  4. terminal terminal Public

    The new Windows Terminal and the original Windows console host, all in the same place!

    C++ 99.1k 8.7k

  5. semantic-kernel semantic-kernel Public

    Integrate cutting-edge LLM technology quickly and easily into your apps

    C# 25.7k 4.1k

Repositories

Showing 10 of 6999 repositories
  • Olive Public

    Olive: Simplify ML Model Finetuning, Conversion, Quantization, and Optimization for CPUs, GPUs and NPUs.

    microsoft/Olive’s past year of commit activity
    Python 2,042 MIT 230 68 8 Updated Aug 6, 2025
  • fhir-server Public

    A service that implements the FHIR standard

    microsoft/fhir-server’s past year of commit activity
    TSQL 1,282 MIT 546 86 (2 issues need help) 50 Updated Aug 6, 2025
  • azurelinux Public

    Linux OS for Azure 1P services and edge appliances

    microsoft/azurelinux’s past year of commit activity
    RPM Spec 4,482 MIT 588 173 605 Updated Aug 6, 2025
  • TypeAgent Public

    Sample code that explores an architecture for using language models to build a personal agent that can work with application agents.

    microsoft/TypeAgent’s past year of commit activity
    TypeScript 417 MIT 65 1 1 Updated Aug 6, 2025
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 9,599 MIT 5,285 984 257 Updated Aug 6, 2025
  • ai-dev-gallery Public

    An open-source project for Windows developers to learn how to add AI with local models and APIs to Windows apps.

    microsoft/ai-dev-gallery’s past year of commit activity
    C# 1,163 MIT 150 57 (2 issues need help) 1 Updated Aug 6, 2025
  • semantic-kernel Public

    Integrate cutting-edge LLM technology quickly and easily into your apps

    microsoft/semantic-kernel’s past year of commit activity
    C# 25,677 MIT 4,104 468 32 Updated Aug 6, 2025
  • vscode-mssql Public

    Visual Studio Code SQL Server extension.

    microsoft/vscode-mssql’s past year of commit activity
    TypeScript 1,723 517 362 16 Updated Aug 6, 2025
  • vscode-python-environments Public

    VS Code extension for Python environment and package management

    microsoft/vscode-python-environments’s past year of commit activity
    TypeScript 54 MIT 18 150 (1 issue needs help) 13 Updated Aug 6, 2025
  • vs-streamjsonrpc Public

    The StreamJsonRpc library offers JSON-RPC 2.0 over any .NET Stream, WebSocket, or Pipe. With bonus support for request cancellation, client proxy generation, and more.

    microsoft/vs-streamjsonrpc’s past year of commit activity
    C# 848 162 50 (1 issue needs help) 6 Updated Aug 6, 2025
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